wolfboys commented on code in PR #3908:
URL:
https://github.com/apache/incubator-streampark/pull/3908#discussion_r1686392998
##########
streampark-common/src/main/scala/org/apache/streampark/common/conf/SparkVersion.scala:
##########
@@ -36,7 +38,14 @@ class SparkVersion(val sparkHome: String) extends
Serializable with Logger {
private[this] lazy val SPARK_SCALA_VERSION_PATTERN =
Pattern.compile("^spark-core_(.*)-[0-9].*.jar$")
- lazy val scalaVersion: String =
SPARK_SCALA_VERSION_PATTERN.matcher(sparkCoreJar.getName).group(1)
+ lazy val scalaVersion: String = {
Review Comment:
If the Scala version number cannot be extracted, an exception should be
thrown.
```
lazy val scalaVersion: String = {
val matcher = SPARK_SCALA_VERSION_PATTERN.matcher(sparkCoreJar.getName)
if (matcher.find()) {
matcher.group(1)
} else {
throw new IllegalArgumentException(s"[StreamPark] can not found scala
version in $sparkCoreJar")
}
}
```
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